CN217016195U - Powder adding device - Google Patents

Abstract

The utility model discloses a powder adding device which comprises a powder adding structure and a driving structure, wherein the powder adding structure comprises a powder adding frame, a discharge hole arranged at the bottom of the powder adding frame, a rotary shaft arranged in the powder adding frame in a lifting manner, and an elastic piece for applying upward thrust to the rotary shaft, the rotary shaft comprises an interface arranged at the upper end of the rotary shaft, a stirring piece positioned at one side of the rotary shaft, and a sealing piece arranged at the bottom end of the rotary shaft and used for sealing the discharge hole, the driving structure comprises a rotatable driving shaft, and when the driving shaft moves downwards, the driving shaft can be connected with the interface to drive the rotary shaft to rotate and can drive the rotary shaft to move downwards so as to enable the sealing piece to be separated from the discharge hole. The rotary shaft is driven to rotate by the driving structure, powder is stirred by the stirring piece, the discharging effect is ensured, the rotary shaft is driven to lift by the driving structure, so that the sealing piece opens or closes the discharging hole to complete discharging, the degree of automation is high, the operation is simple, and the manual labor intensity is reduced.

Description

Powder adding device

Technical Field

The utility model relates to the field of experimental equipment, in particular to a powder adding device.

Background

In the fields of chemistry and biology and the like, besides liquid injection, powder is sometimes added to meet the requirements of experimental reaction. But present powder mode of adding is the artifical back that directly ladles out the powder with the ladle and weigh and adds, and operation mode is old loaded down with trivial details and single, and intensity of labour is big, and degree of automation is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a powder adding device which can effectively solve the technical problems.

The utility model provides a powder adding device which comprises a powder adding structure and a lifting driving structure, wherein the lifting driving structure is positioned above the powder adding structure, the powder adding structure comprises a powder adding frame, a discharge hole formed in the bottom of the powder adding frame, a rotating shaft arranged in the powder adding frame in a lifting mode, and an elastic piece for applying upward thrust to the rotating shaft, the rotating shaft comprises an interface arranged at the upper end of the rotating shaft, a stirring piece positioned on one side of the rotating shaft, and a sealing piece arranged at the bottom end of the rotating shaft and used for sealing the discharge hole, the driving structure comprises a rotatable driving shaft, and when the driving shaft moves downwards, the driving shaft can be connected with the interface to drive the rotating shaft to rotate and can drive the rotating shaft to move downwards so that the sealing piece can be separated from the discharge hole.

Preferably, the drive structure comprises a motor, and the drive shaft is connected with the motor.

Preferably, an output shaft of the motor is connected with the driving shaft through a coupling.

Preferably, the interface is a receiving groove disposed on an upper surface of the rotating shaft, a cross section of the receiving groove is non-circular, and a lower end of the driving shaft is received in the receiving groove and is adapted to a shape of the receiving groove.

Preferably, the seal is at least partially below the spout.

Preferably, the powder adding structure further comprises a material box detachably arranged on the powder adding frame and communicated with the inside of the powder adding frame.

Preferably, the powder adding device further comprises a lifting structure, the lifting structure comprises a lifting piece capable of being lifted, and the driving structure is arranged on the lifting piece.

Preferably, the lifting structure further comprises an electric cylinder, and a piston rod of the electric cylinder is connected with the lifting member to drive the lifting member to lift.

Preferably, the lifting structure further comprises a rail extending in the height direction, and the lifting member is slidably disposed on the rail.

Preferably, the rails are provided in two and parallel arrangement to each other.

Compared with the prior art, the technical scheme provided by the embodiment of the utility model has the following advantages:

according to the utility model, when the driving structure moves downwards, the driving shaft can be connected with the rotating shaft to drive the rotating shaft to rotate, so that the stirring piece is driven to rotate to stir powder, on one hand, the powder is uniformly mixed, on the other hand, the powder is prevented from being blocked, the smooth discharge of the powder from the discharge hole is ensured, and the driving shaft of the driving structure can drive the rotating shaft to move downwards, so that the sealing piece moves downwards to be separated from the discharge hole to open or move upwards to block the discharge hole to close the discharge hole, so that the discharge is completed, the automation degree is high, the operation is simple, and the manual labor intensity is reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

FIG. 1 is a schematic structural diagram of a powder feeding device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the installation of the powder feeding structure and the driving structure according to the embodiment of the present invention;

FIG. 3 is a schematic diagram of a positional relationship between a powder feeding structure and a driving structure according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a driving structure according to an embodiment of the present invention;

FIG. 5 is a schematic view of a powdering structure according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of a powdering structure according to an embodiment of the present invention.

Description of the reference numerals

1. A body; 2. a powder adding structure; 21. a discharge port; 22. a rotating shaft; 221. an accommodating groove; 23. a stirring member; 24. a seal member; 25. a spring; 26. a magazine; 27. a powder adding frame; 3. a drive structure; 31. a motor; 32. a drive shaft; 33. a coupling; 4. a lifting member; 5. an electric cylinder; 6. a track.

Detailed Description

In order that the above objects, features and advantages of the present invention may be more clearly understood, a solution of the present invention will be further described below. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the utility model may be practiced otherwise than as described herein; it is to be understood that the embodiments described in the specification are only a part of the embodiments of the present invention, and not all of them.

As shown in fig. 1, the powder adding device provided by the embodiment of the present invention includes a machine body 1, and a powder adding structure 2 for storing powder and a driving structure 3 located above the powder adding structure 2 and capable of lifting and lowering are disposed on the machine body 1.

As shown in fig. 6, the powder adding structure 2 includes a powder adding frame 27, a discharge hole 21 is formed in the bottom of the powder adding frame 27, a liftable rotating shaft 22 is arranged inside the powder adding frame 27, preferably, the rotating shaft 22 is arranged in the vertical direction, a stirring member 23 for stirring powder is arranged on the periphery of the rotating shaft 22, the shape of the stirring member 23 can be set according to the stirring requirement, and preferably, the stirring member 23 is a stirring rod. The bottom end of the rotating shaft 22 is provided with a sealing member 24, where the bottom end of the rotating shaft 22 refers to the end of the rotating shaft 22 close to the discharge hole 21. Specifically, the shape of the powder adding frame 27 is not limited, and can be set according to the use requirement, a cavity for storing powder is arranged inside the powder adding frame 27, and a slope surface inclined downwards is arranged at a position of the cavity close to the bottom of the cavity, so that the powder in the powder adding frame 27 moves concentratedly towards the direction of the discharge port 21, and the powder is discharged from the discharge port 21. In addition, as shown in fig. 5 and 6, a powder feeding frame 27 is detachably provided with a powder box 26, and the powder box 26 is used for supplying powder towards the inside of the powder feeding structure 2 so that the powder is concentrated in a cavity in the powder feeding frame 27. Preferably, threaded connection between the material box 26 and the powder adding frame 27 increases the convenience of assembly and disassembly.

The driving structure 3 is used for driving the rotating shaft 22 to rotate, and can drive the rotating shaft 22 to move along the axial direction thereof, that is, drive the rotating shaft 22 to move downwards, so that the sealing member 24 is separated downwards from the discharge hole 21 to open the discharge hole 21, so that the powder in the powder adding frame 27 is discharged from the discharge hole 21, specifically, the sealing member 24 is at least partially located outside the discharge hole 21, so that the sealing member 24 can upwards block the discharge hole 21 to close the discharge hole 21 when being lifted along with the rotating shaft 22, or the sealing member 24 can downwards separate from the discharge hole 21 to discharge the powder from the discharge hole 21. The driving structure 3 at this position can drive the driving structure 3 that the rotating shaft 22 moves along the axial direction thereof to drive the rotating shaft 22 to move along the vertical direction, and can also drive the driving structure 3 to move along the vertical direction through an external component, so that the driving structure 3 drives the rotating shaft 22 to move along the vertical direction, specifically, after the driving shaft 32 is connected with the rotating shaft 22, the driving shaft 32 can drive the rotating shaft 22 to move downward when moving downward, and when the driving shaft 32 moves upward, the rotating shaft 22 moves upward under the upward thrust of the elastic member connected therewith to reset, in this embodiment, the elastic member is preferably a spring 25.

According to the utility model, the driving structure 3 drives the rotating shaft 22 to rotate, so that the stirring piece 23 is driven to rotate to stir powder, the discharging effect is ensured, the driving structure 3 drives the rotating shaft 22 to move downwards, so that the sealing piece 24 moves downwards and the discharging hole 21 is opened, the discharging is completed, the automation degree is high, the operation is simple, and the manual labor intensity is reduced.

As shown in fig. 1 to 4, the driving structure 3 includes a rotary driving member and a driving shaft 32, the rotary driving member is preferably a motor 31, and for convenience of understanding, the rotary driving member is hereinafter described as a motor: the motor 31 is provided on the machine body 1. The driving shaft 32 is disposed above the rotating shaft 22 and can be connected to the rotating shaft 22, and the motor 31 is used for driving the driving shaft 32 to rotate so as to drive the rotating shaft 22 to rotate. Further optimally, the output shaft of the motor 31 is arranged along the vertical direction, the output shaft of the motor 31 is connected with the driving shaft 32 through the coupling 33, and the driving shaft 32 is driven to rotate through the rotation of the motor 31, so as to drive the rotating shaft 22 to rotate. Specifically, the lower extreme and the shaft coupling 33 of motor 31's output shaft are connected, and the lower extreme of shaft coupling 33 is connected with the upper end of drive shaft 32, and rotation through motor 31 drives shaft coupling 33 and rotates, and then makes shaft coupling 33 can drive shaft 32 rotatory thereupon, and shaft coupling 33 belongs to prior art, and no longer gives details here. Of course, the output shaft of the motor 31 may also be arranged along the horizontal direction, and then the output shaft of the motor 31 needs to be connected with the driving shaft 32 through a steering assembly, so as to convert the rotation of the motor 31 along the horizontal axis into the rotation of the driving shaft 32 along the vertical direction, where the steering assembly may be a bevel gear, and the like.

In some embodiments, the driving shaft 32 is connected to the rotating shaft 22, that is, the rotating shaft 22 and the driving shaft 32 are lifted and rotated synchronously, and during use, the rotating shaft 22 is driven to rotate by the rotation of the driving shaft 32, and the lifting of the rotating shaft 22 is driven by the cooperation of the driving shaft 32 and the elastic member, so as to open or close the discharge hole 21.

In some embodiments, as shown in fig. 1 to 3, the driving shaft 32 is detachably disposed on the rotating shaft 22, and the upper end of the rotating shaft 22 is provided with a receiving groove 221 for receiving and circumferentially limiting the lower end of the driving shaft 32. Specifically, the cross sections of the lower end of the driving shaft 32 and the receiving groove 221 are non-circular, and the lower end of the driving shaft 32 is matched with the shape of the receiving groove 221, so that the rotating shaft 22 can be driven to rotate by the rotation of the driving shaft 32 after the lower end of the driving shaft 32 is inserted into the receiving groove 221. Preferably, the cross-section of the lower end of the driving shaft 32 is a regular hexagon, and accordingly, the cross-section of the receiving groove 221 is a regular hexagon. At this time, the bottom end of the rotating shaft 22 extends out of the powder adding structure 2, the sealing member 24 is arranged at the extending end of the rotating shaft 22 and is used for sealing the end part of the discharge port 21, an elastic member is arranged inside the powder adding structure 2, the elastic member is preferably a spring 25, the spring 25 is sleeved on the periphery of the rotating shaft 22, and the spring 25 applies upward acting force to the rotating shaft 22. Preferably, the sealing member 24 is integrally formed with the rotating shaft 22, that is, the sealing member 24 is formed by a portion of the rotating shaft 22 extending out of the powder adding frame 27, and the sealing member 24 is in a circular truncated cone shape and can be contacted with the inner wall of the discharge port 21 through the side surface of the circular truncated cone-shaped sealing member 24 to seal the discharge port 21. The inner wall of the powder adding frame 27 is provided with an annular boss, and the rotating shaft 22 penetrates through the annular boss and can rotate and lift relative to the annular boss. The lower end of the spring 25 is connected to the annular boss, and the upper end of the spring 25 abuts on the support portion of the rotary shaft 22 and is slidably connected to the rotary shaft 22, so that the spring 25 can elastically support the rotary shaft 22 when the rotary shaft 22 moves downward.

During the use, drive structure 3 drives drive shaft 32 and moves down when moving down for the bottom of drive shaft 32 inserts in the accepting groove 221 of rotation axis 22, and drive structure 3 drives drive shaft 32 and rotates, and then drives rotation axis 22 and rotate, makes stirring piece 23 stir the material powder. Meanwhile, the driving structure 3 continues to drive the driving shaft 32 to move downwards, so as to push the rotating shaft 22 to move downwards, so that the sealing member 24 moves downwards and is separated from the discharge hole 21, and thus the powder in the powder adding frame 27 can be discharged from the discharge hole 21. When discharging is stopped, the driving structure 3 drives the driving shaft 32 to move upwards, and the rotating shaft 22 moves upwards under the action of the elastic force of the spring 25, so that the sealing element 24 is reset upwards, the sealing element 24 is blocked at the discharging opening 21, and the discharging opening 21 is closed. The driving shaft 32 and the rotating shaft 22 are arranged in a split mode, and in the non-use state, the driving shaft 32 is separated from the rotating shaft 22, so that the rotating shaft 22 of the powder adding mechanism is prevented from being driven by misoperation of the driving structure 3 in the non-use state, the use safety is ensured, meanwhile, the size of an integrated piece can be reduced, and the difficulty in production and transportation is reduced.

Referring to fig. 1 and 2, the powder feeding device further includes a lifting structure disposed on the machine body 1, the lifting structure includes a lifting member 4 capable of lifting, and the driving structure 3 is disposed on the lifting member 4, i.e., the motor 31 is fixed on the lifting member 4. Specifically, the lifter 4 is a connection plate on which the motor 31 is provided. The lifting structure further includes a lifting driving member disposed on the machine body 1, the lifting driving member is preferably an electric cylinder 5, and may also be an air cylinder, a hydraulic cylinder, etc., for convenience of understanding, the following description will be made with reference to the lifting driving member as the electric cylinder 5: the telescopic link of electric jar 5 sets up along vertical direction, and lifting member 4 is connected with the telescopic link of electric jar 5, drives the lift of lifting member 4 through the flexible removal of telescopic link. The electric cylinder 5 is a modular product in which the servo motor 31 and the lead screw are integrally designed, and converts the rotational motion of the servo motor 31 into a linear motion, which is a known technology and is not described herein.

The lifting structure further comprises a rail 6 extending in the height direction, and the lifting member 4 is slidably disposed on the rail 6. Specifically, track 6 sets up on organism 1, and lifting member 4 is fixed with the slider with track 6 assorted towards the one side of track 6, slider and track 6 sliding fit, and then make lifting member 4 can slide for track 6. One or more guide rails may be provided, and preferably, as shown in fig. 1 and fig. 2, the two rails 6 are arranged in parallel, so as to ensure a guiding effect, and further, the lifting member 4 can stably move up and down.

It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a powder adding device, characterized in that, powder adding device is including adding powder structure (2) and being located add powder structure (2) top and liftable drive structure (3), add powder structure (2) including add powder frame (27), set up in discharge gate (21) of powder frame (27) bottom, liftable set up in rotation axis (22) in powder frame (27), to the elastic component of thrust up is applyed to rotation axis (22), rotation axis (22) including set up in its upper end interface, be located its one side stirring piece (23), set up in its bottom and sealed sealing member (24) of discharge gate (21), drive structure (3) are including rotatable drive shaft (32), drive shaft (32) during the downward movement can with interface connection is in order to drive rotation axis (22) rotate and can drive rotation axis (22) move down so that sealing member (24) break away from the discharge gate (24) 21).

2. Powdering device according to claim 1, characterized in that the drive structure (3) comprises a motor (31), the drive shaft (32) being connected to the motor (31).

3. Powdering device according to claim 2, characterized in that the output shaft of the motor (31) is connected to the drive shaft (32) by means of a coupling (33).

4. The powder adding device according to claim 2, wherein the interface is a receiving groove (221) provided on an upper surface of the rotating shaft (22), a cross section of the receiving groove (221) is non-circular, and a lower end of the driving shaft (32) is received in the receiving groove and is adapted to a shape of the receiving groove.

5. Powdering device according to claim 4, characterized in that the sealing (24) is at least partly below the discharge opening (21).

6. The powder adding device according to claim 5, wherein the powder adding structure (2) further comprises a material box (26) which is detachably arranged on the powder adding frame (27) and is communicated with the inside of the powder adding frame (27).

7. The powdering device according to any one of claims 1 to 6, further comprising a lifting structure comprising a liftable lifting member (4), wherein the driving structure (3) is provided on the lifting member (4).

8. The powder adding device according to claim 7, wherein the lifting structure further comprises an electric cylinder (5), and a piston rod of the electric cylinder (5) is connected with the lifting member (4) to drive the lifting member (4) to lift.

9. Powdering device according to claim 8, characterized in that the lifting structure further comprises a rail (6) extending in height direction, the lifting member (4) being slidably arranged on the rail (6).

10. Powdering device according to claim 9, characterized in that the rails (6) are provided in two and parallel to each other.

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